Transactions of Tianjin University最新文献

英文中文

Progress in Electrolyte Engineering of Aqueous Batteries in a Wide Temperature Range 宽温度范围水性电池电解液工程研究进展

4区工程技术 Q2 ENERGY & FUELS

Transactions of Tianjin University

Pub Date : 2023-10-17 DOI: 10.1007/s12209-023-00366-x

Lingjun He, Chuyuan Lin, Peixun Xiong, Hui Lin, Wenbin Lai, Jingran Zhang, Fuyu Xiao, Liren Xiao, Qingrong Qian, Qinghua Chen, Lingxing Zeng

Abstract Aqueous rechargeable batteries are safe and environmentally friendly and can be made at a low cost; as such, they are attracting attention in the field of energy storage. However, the temperature sensitivity of aqueous batteries hinders their practical application. The solvent water freezes at low temperatures, and there is a reduction in ionic conductivity, whereas it evaporates rapidly at high temperatures, which causes increased side reactions. This review discusses recent progress in improving the performance of aqueous batteries, mainly with respect to electrolyte engineering and the associated strategies employed to achieve such improvements over a wide temperature domain. The review focuses on five electrolyte engineering (aqueous high-concentration electrolytes, organic electrolytes, quasi-solid/solid electrolytes, hybrid electrolytes, and eutectic electrolytes) and investigates the mechanisms involved in reducing the solidification point and boiling point of the electrolyte and enhancing the extreme-temperature electrochemical performance. Finally, the prospect of further improving the wide temperature range performance of aqueous rechargeable batteries is presented.

水性可充电电池具有安全、环保、低成本的特点;因此，它们在能源存储领域备受关注。然而，水电池的温度敏感性阻碍了它们的实际应用。溶剂水在低温下结冰，离子电导率降低，而在高温下迅速蒸发，导致副反应增加。这篇综述讨论了改善水性电池性能的最新进展，主要是关于电解质工程和在宽温度域实现这种改进所采用的相关策略。综述了五种电解质工程(含水高浓度电解质、有机电解质、准固/固电解质、混合电解质和共晶电解质)，探讨了降低电解质的凝固点和沸点，提高极端温度电化学性能的机理。最后，展望了进一步提高水性可充电电池宽温度范围性能的前景。

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